US3438152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counterbalancing apparatus for a pivotal panel
Assignee: Automobiles Citroen SA
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Filing: 1966-12-06
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Granted: 1969-04-15
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Expires: 1986-12-06
Abstract
No abstract record available.
Inventors
- 👤 Jean Cadiou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:53
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/40; E05D15/42; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/1033; E05F1/12; E05F1/123; E05F1/1238; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/531; E05Y2900/546
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |